Looks like Verizon HTC 8X devices are now receiving Windows Phone 8 Update 3 or GDR3 update. This update has been confirmed as rolling to more than one Verizon devices via Reddit. So, if you are using Verizon HTC 8X, go ahead and check for the update on your device. This update brings,
Driving mode
Rotation lock
Mobile Accessibility app suite
New multitasking UI with ability to close apps”
Improved Bluetooth, Wi-Fi and Internet sharing
Custom Ringtones
Better storage management
Many other improvements
For checking detailed changelog of this update, click here.